Regulated Low Voltage DC Power Pack, 5V Subcategory_Magnetism introducing combinational-logic behavior by using

introducing combinational-logic behavior by using physical relays so students can hear and see the gate state in real time

Large-format hydrostatic balance sized for buoyancy

this 20mm-diameter steel helix carries longitudinal

sized for hands-on Ohm's-law measurement and series-parallel comparison without rewiring between values

5-inch discharger with a curved metal arm

Regulated Low Voltage DC Power Pack, 5V Subcategory_Magnetism introducing combinational-logic behavior by usingRegulated DC power pack with a fixed +5V output, supplying clean low voltage current to introductory electronics, optics, and electrical circuit experiments in the classroom.